DISTRIBUTION AND OCCURRENCE
SPECIES: Cercocarpus betuloides | Birchleaf Mountain-Mahogany 



GENERAL DISTRIBUTION : 
Birchleaf mountain-mahogany's range extends from southwestern Oregon
south through California to Baja California, and east from southern
California to the mountains of central Arizona [30].  In California,
birchleaf mountain-mahogany is found primarily in the Coast Range, the
western slope of the Sierra Nevada's, and in the mountains of southern
California [5].


ECOSYSTEMS : 
   FRES20  Douglas-fir
   FRES21  Ponderosa pine
   FRES28  Western hardwoods
   FRES34  Chaparral - mountain shrub
   FRES35  Pinyon - juniper


STATES : 
     AZ  CA  OR  MEXICO


ADMINISTRATIVE UNITS : 
     CORO  CHIS  JOTR  KICA  PINN  SAMO
     SEQU  WACA  WHIS


BLM PHYSIOGRAPHIC REGIONS : 
   1  Northern Pacific Border
   2  Cascade Mountains
   3  Southern Pacific Border
   4  Sierra Mountains
   7  Lower Basin and Range


KUCHLER PLANT ASSOCIATIONS : 
   K009  Pine - cypress forest
   K010  Ponderosa shrub forest
   K023  Juniper - pinyon woodland
   K026  Oregon oakwoods
   K029  California mixed evergreen forest
   K030  California oakwoods
   K033  Chaparral
   K034  Montane chaparral
   K035  Coastal sagebrush
   K036  Mosaic of K030 and K035


SAF COVER TYPES : 
   233  Oregon white oak
   238  Western juniper
   239  Pinyon - juniper
   240  Arizona cypress
   245  Pacific ponderosa pine
   247  Jeffrey pine
   249  Canyon live oak
   250  Blue oak - Digger pine


SRM (RANGELAND) COVER TYPES : 
NO-ENTRY


HABITAT TYPES AND PLANT COMMUNITIES : 
Birchleaf mountain-mahogany is a primary component of many chaparral
communities and is a dominant or codominant in localized areas.  It is
codominant with shrub live oak (Quercus turbinella) in Arizona
chaparral.  Other common associates in Arizona chaparral include desert
ceanothus (Ceanothus greggii), Wright buckwheat (Rhamnus crocea), datil
yucca (Yucca baccata), sugar sumac (Rhus ovata), hollyleaf buckthorn
(Rhamnus crocea), broom snakewood (Gutierezia sarothrae), and Arizona
oak (Quercus arizonica) [8].  In California chaparral, associates
include eastwood manzanita (Arctostaphylos glandulosa), desert
ceanothus, chaparral whitethorn (Ceanothus leucodermis), chamise
(Adenostoma fasciculatum), scrub and live oaks (Quercus spp.),
buckthorns (Rhamnus spp.), and sumacs (Rhus spp.) [5,17,35].

Published classifications listing birchleaf mountain-mahogany as a
dominant in community types (cts) or plant associations (pas) are listed
below:

    Area                    Classification            Authority      

AZ                          chaparral pas      Carmichael & others 1978
s CA: San Bernardino Mtns   general veg. cts   Minnich 1976
   

Related categories for Species: Cercocarpus betuloides | Birchleaf Mountain-Mahogany